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| author | Nicholas Piggin <npiggin@gmail.com> | 2019-04-11 05:34:45 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-05-03 19:42:41 +0200 |
| commit | 2f1a6fbbef7781382850c3104ecb658f21b5d460 (patch) | |
| tree | 5d6156deb3c41a176c3c8bca4abfc49d7953ab75 /kernel/power/suspend.c | |
| parent | sched/core: Allow the remote scheduler tick to be started on CPU0 (diff) | |
| download | linux-2f1a6fbbef7781382850c3104ecb658f21b5d460.tar.xz linux-2f1a6fbbef7781382850c3104ecb658f21b5d460.zip | |
power/suspend: Add function to disable secondaries for suspend
This adds a function to disable secondary CPUs for suspend that are
not necessarily non-zero / non-boot CPUs. Platforms will be able to
use this to suspend using non-zero CPUs.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J . Wysocki <rafael.j.wysocki@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lkml.kernel.org/r/20190411033448.20842-3-npiggin@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | kernel/power/suspend.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 0bd595a0b610..59b6def23046 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -428,7 +428,7 @@ static int suspend_enter(suspend_state_t state, bool *wakeup) if (suspend_test(TEST_PLATFORM)) goto Platform_wake; - error = disable_nonboot_cpus(); + error = suspend_disable_secondary_cpus(); if (error || suspend_test(TEST_CPUS)) goto Enable_cpus; @@ -458,7 +458,7 @@ static int suspend_enter(suspend_state_t state, bool *wakeup) BUG_ON(irqs_disabled()); Enable_cpus: - enable_nonboot_cpus(); + suspend_enable_secondary_cpus(); Platform_wake: platform_resume_noirq(state); |